| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap for a refueling port wherein an outer cap is separated from an inner cap regardless the direction receiving an external force. <P>SOLUTION: The inner cap 13 is provided with a plane view circular supporting plate 14 above a seal ring 12, and an annular inclined face 142 is provided on the peripheral edge of the top face of this supporting plate 14, and a plane view circular press plate 15 is overlapped on the supporting plate 14, and an annular channel 146 is formed by the annular inclined face 142 of the supporting plate 14 and the undersurface of this press plate 15. The outer cap is formed by letting a skirt part 113 down from the outer periphery of the top face part 112, and by providing a plurality of wedge-shaped projections 111 fitted in the annular channel 146 on the inner face of this skirt part 113. One of a plate fitting means is provided on the supporting plate 14 and the other one is provided on the press plate 15, and one of a cap fitting means is provided on the press plate 15 and the other one is provided on the outer cap 11 to constitute the cap 1 for refueling port. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
